The woman told police that Morris had contacted her around 3:30 a.m. Friday in the area of 5600 W. Thomas Road regarding a misdemeanor arrest warrant.

Following the sexual contact, the officer released the woman without arrest, Howard said.

Morris, who has been with the Department since 2008, was detained by Phoenix police near his home in Pinal County. He was arrested for one count of sexual assault and kidnapping.

While being interviewed by police, Morris admitted involvement in the incident and immediately resigned his employment with the Department, according to Howard.

Regarding this incident, Chief of Police, Joseph Yahner released the following statement:

The Phoenix Police Department took immediate action when this incident was brought to our attention. We responded quickly and decisively to ensure public trust and confidence. We hold our officers accountable to the highest standards. In addition to initiating the criminal investigation, the Phoenix Police Department began an internal investigation to address Officer Morris's employment status however he resigned. I am extremely disappointed in the actions of Mr. Morris, the Phoenix Police Department will continue to hold its officers to the highest standards to ensure the trust and confidence of the community we serve.

This is breaking news. Check back with Fox 10 Phoenix for more on this developing story.